Home / 226,713.40-340,199.70-86,572.60

Finding the Fourth Proportional to 226,713.40, 340,199.70 and 86,572.60

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Solution

The fourth proportional to 226,713.40, 340,199.70 and 86,572.60 is: 129,908.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,713.40 : 340,199.70 = 86,572.60 : x
  2. Step 2: Convert to fraction form
    226,713.40/340,199.70 = 86,572.60/x
  3. Step 3: Cross multiply
    226,713.40x = 340,199.70 × 86,572.60
  4. Step 4: Simplify right side
    226,713.40x = 29,451,972,548.22
  5. Step 5: Solve for x
    x = 29,451,972,548.22/226,713.40
  6. Step 6: Final answer
    x = 129,908.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.